import { defineConfig } from '@playwright/test';

// Playwright runs the SvelteKit dev server on a dedicated port so it
// doesn't reuse whatever the dev workflow has on the vite default
// (`5173`). `--strictPort` makes vite fail fast on collision instead of
// silently bumping to a free port, which would leave Playwright pointed
// at the wrong host. Set `E2E_BASE_URL` to skip the embedded server and
// point at an already-running deployment.
const E2E_PORT = 5174;

export default defineConfig({
    testDir: 'e2e',
    timeout: 30_000,
    // The specs are deterministic in isolation, but a full parallel run
    // has a cold-start window: Vite compiles each route on first request,
    // so the first tests across 8 workers contend on the dev server and
    // can trip the timeout. One retry re-runs those on the now-warm server.
    // (The `/api/v1` fallback in e2e/fixtures.ts removes the other flake
    // source — unmocked calls stalling against the dead dev proxy.)
    retries: 1,
    use: {
        baseURL: process.env.E2E_BASE_URL ?? `http://localhost:${E2E_PORT}`,
        trace: 'retain-on-failure'
    },
    webServer: process.env.E2E_BASE_URL
        ? undefined
        : {
              command: `npm run dev -- --port ${E2E_PORT} --strictPort`,
              port: E2E_PORT,
              reuseExistingServer: !process.env.CI,
              timeout: 120_000
          }
});